N-Boc-溴乙胺 、 methyl trans-4,5,6,8-tetrahydro-6-oxo-5-(phenylmethoxy)-1H-4,7-methanopyrazolo[3,4-e][1,3]diazepine-8-carboxylate 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 26.0h,
以23%的产率得到methyl trans-1-(2-tert-butoxycarbonylamino-ethyl)-4,5,6,8-tetrahydro-6-oxo-5-(phenylmethoxy)-4,7-methano-7H-pyrazolo[3,4-e][1,3]diazepine-8-carboxylate